Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Jan Bertsch currently holds 8,776.1 shares of SIGMA ALDRICH CORP (SIAL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jan Bertsch has been a net buyer of SIAL stock. They have purchased $347.6K and sold $0 worth of shares.
Jan Bertsch's most recent insider trade was on Apr 14, 2026, when they sold 2.17 shares at $209.35 per share.
Jan Bertsch serves as Executive at SIGMA ALDRICH CORP (SIAL). They have executed 113 insider transactions totaling $347.6K over their tenure at the company.
Jan Bertsch holds the position of Executive at SIGMA ALDRICH CORP, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 16 years and currently hold a stake valued at $0.
Jan Bertsch has shown a buying trading pattern, with $347.6K in total purchases and $0 in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by Jan Bertsch was on Apr 14, 2026, when they purchased $453 worth of RRX shares. This transaction involved 2.17 shares at $209.35 per share.
Jan Bertsch currently owns 8,776.1 shares of SIGMA ALDRICH CORP (SIAL), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Jan Bertsch's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Jan Bertsch has 113 Form 4 filings on record as an insider at SIGMA ALDRICH CORP.
Set alerts for Jan Bertsch and 40,000+ other insiders.